A seal identification method and device
A seal and image technology, applied in the field of seal identification methods and devices, can solve the problems of consuming a lot of manpower and material resources
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[0094] In one embodiment of the present invention, since the seal to be identified in the target image is red, in order to be able to segment the seal to be identified later, all red regions in the target image are first extracted, and the specific implementation of step 101 methods, which may include:
[0095] Converting the target image from RGB color space to HSV color space;
[0096] For each pixel in the target image, determine the H value, S value and V value corresponding to the current pixel; determine whether the H value corresponding to the current pixel is in (0,8)∪(156 , 180), whether the S value is in the range of (43, 255) and whether the V value is in the range of (43, 255); if both are judged to be yes, then the current pixel set to a white pixel; otherwise, set the current pixel to a black pixel;
[0097] Each of the white pixels and each of the black pixels form the first image. There may only be a red seal to be identified in some target images, and there...
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